Resending with the non-printable chars omitted:

Howard Chu wrote:

Thanks, but your trace clearly shows that this is a fault in Cyrus SASL, you should be reporting this issue to them.

valgrind confirms it as well:

5ddfddde do_bind: dn () SASL mech <garbage> 5ddfddde ==> sasl_bind: dn="" mech=<garbage> datalen=0 ==11019== Thread 3: ==11019== Invalid write of size 1 ==11019== at 0x4B9B1DB: sasl_seterror (seterror.c:247) ==11019== by 0x4B9A18D: sasl_server_start (server.c:1418) ==11019== by 0x26B88B: slap_sasl_bind (sasl.c:1666) ==11019== by 0x21E130: fe_op_bind (bind.c:279) ==11019== by 0x21DCE1: do_bind (bind.c:205) ==11019== by 0x1F35BA: connection_operation (connection.c:1185) ==11019== by 0x1F3CE7: connection_read_thread (connection.c:1342) ==11019== by 0x35DFF9: ldap_int_thread_pool_wrapper (tpool.c:1048) ==11019== by 0x4DBE668: start_thread (pthread_create.c:479) ==11019== by 0x4EFA322: clone (clone.S:95) ==11019== Address 0x62032a8 is 0 bytes after a block of size 600 alloc'd ==11019== at 0x483CFAF: realloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==11019== by 0x4B930A4: _buf_alloc (common.c:2186) ==11019== by 0x4B93299: _sasl_add_string (common.c:196) ==11019== by 0x4B9B2D4: sasl_seterror (seterror.c:187) ==11019== by 0x4B9A18D: sasl_server_start (server.c:1418) ==11019== by 0x26B88B: slap_sasl_bind (sasl.c:1666) ==11019== by 0x21E130: fe_op_bind (bind.c:279) ==11019== by 0x21DCE1: do_bind (bind.c:205) ==11019== by 0x1F35BA: connection_operation (connection.c:1185) ==11019== by 0x1F3CE7: connection_read_thread (connection.c:1342) ==11019== by 0x35DFF9: ldap_int_thread_pool_wrapper (tpool.c:1048) ==11019== by 0x4DBE668: start_thread (pthread_create.c:479) ==11019== ==11019== Invalid read of size 1 ==11019== at 0x483DF54: strlen (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==11019== by 0x4E53DE4: __vfprintf_internal (vfprintf-internal.c:1688) ==11019== by 0x4E67029: __vsnprintf_internal (vsnprintf.c:114) ==11019== by 0x3A1FFA: lutil_debug (debug.c:74) ==11019== by 0x266FF3: slap_sasl_log (sasl.c:146) ==11019== by 0x4B9B4CF: sasl_seterror (seterror.c:260) ==11019== by 0x4B9A18D: sasl_server_start (server.c:1418) ==11019== by 0x26B88B: slap_sasl_bind (sasl.c:1666) ==11019== by 0x21E130: fe_op_bind (bind.c:279) ==11019== by 0x21DCE1: do_bind (bind.c:205) ==11019== by 0x1F35BA: connection_operation (connection.c:1185) ==11019== by 0x1F3CE7: connection_read_thread (connection.c:1342) ==11019== Address 0x62032a8 is 0 bytes after a block of size 600 alloc'd ==11019== at 0x483CFAF: realloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==11019== by 0x4B930A4: _buf_alloc (common.c:2186) ==11019== by 0x4B93299: _sasl_add_string (common.c:196) ==11019== by 0x4B9B2D4: sasl_seterror (seterror.c:187) ==11019== by 0x4B9A18D: sasl_server_start (server.c:1418) ==11019== by 0x26B88B: slap_sasl_bind (sasl.c:1666) ==11019== by 0x21E130: fe_op_bind (bind.c:279) ==11019== by 0x21DCE1: do_bind (bind.c:205) ==11019== by 0x1F35BA: connection_operation (connection.c:1185) ==11019== by 0x1F3CE7: connection_read_thread (connection.c:1342) ==11019== by 0x35DFF9: ldap_int_thread_pool_wrapper (tpool.c:1048) ==11019== by 0x4DBE668: start_thread (pthread_create.c:479)